added README minimal

README.md

@@ -1 +1,37 @@
 # foreignthon-es
+
+Spanish language pack for ForeignThon.
+
+## Install
+
+```bash
+pip install foreignthon foreignthon-es
+```
+
+## Usage
+
+```py
+fpy run main.es.py
+```
+
+## What's translated
+
+- **Keywords** — {keywords}
+- **Builtins** — {builtins}
+- **Exceptions** — {exceptions}
+- **Stdlib** — {stdlib}
+
+{postfix_section}
+
+## Documentation
+
+→ https://foreignthon.keshavanand.net/
+
+## Contributing
+
+Found a missing translation or a better keyword choice? Open an issue or PR — no core access needed.
+
+## License
+
+GPL
+